EP2352710B1 - Anzündsätze mit verbesserter anzündleistung - Google Patents

Anzündsätze mit verbesserter anzündleistung Download PDF

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Publication number
EP2352710B1
EP2352710B1 EP09752331.0A EP09752331A EP2352710B1 EP 2352710 B1 EP2352710 B1 EP 2352710B1 EP 09752331 A EP09752331 A EP 09752331A EP 2352710 B1 EP2352710 B1 EP 2352710B1
Authority
EP
European Patent Office
Prior art keywords
ignition
relative
overall mixture
explosives
metal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP09752331.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2352710A1 (de
Inventor
Ulrich Bley
Peter Simon Lechner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RWS GmbH
Original Assignee
RUAG Ammotec GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RUAG Ammotec GmbH filed Critical RUAG Ammotec GmbH
Priority to PL09752331T priority Critical patent/PL2352710T3/pl
Publication of EP2352710A1 publication Critical patent/EP2352710A1/de
Application granted granted Critical
Publication of EP2352710B1 publication Critical patent/EP2352710B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
    • C06C7/00—Non-electric detonators; Blasting caps; Primers
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B41/00—Compositions containing a nitrated metallo-organic compound
    • C06B41/02—Compositions containing a nitrated metallo-organic compound the compound containing lead
    • C06B41/10—Compositions containing a nitrated metallo-organic compound the compound containing lead with other nitrated metallo-organic compound

Definitions

  • the invention relates to ignition charges with initial explosives or primary explosives selected from the group consisting of compounds of lead derived from Trinitropolyphenolen such as trinitrophenol, trinitroresorcinol or hydrazoic acid, in admixture with oxygen-providing substances having an improved ignition performance, especially at low temperatures ,
  • the ignition charges are intended to ensure the ignition of gunpowder in shooting and military cartridges (cartridges).
  • a flame is generated in all devices with annular or central percussion under the action of a firing pin with the aid of an initial explosive, igniting the propellant.
  • ignition of the Initialexplosivstoffes can also be done by means of an electrically generated thermal pulse.
  • mercury fulminate based primer compositions are virtually no longer used because of their high toxicity and lack of thermal stability. They have been replaced by compositions containing lead, antimony and barium compounds.
  • a disadvantage of the known igniter charges is that their ignitability decreases sharply at low temperatures, in particular below -35.degree.
  • the present invention provides primer compositions with initial explosives in admixture with oxygen-supplying substances which have an improved ignitability at temperatures below -35 ° C. in comparison with the known igniter compositions.
  • the object is achieved by primer as defined in claim 1.
  • the ignition charges according to the invention have an ignition capability which is improved over the prior art at temperatures below -35 ° C., in particular up to -54 ° C.
  • the initial explosives are preferably used in a total amount of from 30 to 60% by weight, based on the total mixture.
  • oxygen-supplying substances in addition to the metal peroxide zinc peroxide known per se from the prior art, it is also possible to use further oxygen-supplying substances.
  • the primer example can be used in the primer example: lead dioxide, tin dioxide, ceria tungsten trioxide and / or nitrates of ammonium, guanidine, aminoguanidine, triaminoguanidine, dicyandiamidine and the elements sodium, potassium, magnesium, calcium, cerium, especially potassium nitrate or basic cerium nitrates.
  • the amount of oxygen-providing substances in the novel igniter compositions can vary between 40 and 70% by weight, based on the total mixture.
  • the novel ignition charges contain 5 to 40% by weight of potassium dinitrobenzofuroxanate as further initial explosive.
  • the substance can be used both in fine-grained state and coarse-grained.
  • the primer sets may further contain sensitizers, reducing agents, friction agents, secondary explosives and / or inert substances.
  • sensitizers preferably tetracene
  • proportions of 0 to 10 wt .-%, based on the total mixture may be present.
  • Reducing agents which contribute to the reaction are suitable in the novel igniter compositions for improving the ignitability and in some cases also cause an increase in the mechanical sensitivity.
  • Suitable substances are preferably selected from carbon and / or metal powders, in particular boron, aluminum, cerium, titanium, zirconium, magnesium and silicon, metal alloys, in particular cerium magnesium, cerium silicon, titanium aluminum, aluminum magnesium, calcium silicide and metal sulfides , in particular antimony sulfide and molybdenum sulfide and metal hydrides, for example titanium hydride, in particular in a proportion of 0 to 10 wt .-%, based on the total mixture.
  • Some reducing agents may simultaneously perform the function of a friction agent, such as antimony sulfides or calcium silicides. While the proportion of reducing agent in the initial charge may be 0 to 10% by weight, friction agents which participate in the reaction during combustion may be present in amounts of up to 15% by weight, based on the total mixture, in the novel igniter compositions ,
  • Secondary explosives such as, for example, nitrocellulose or pentaerythritol tetranitrate, are particularly suitable as further components which contribute to the reaction.
  • Further examples which may be mentioned are octogen and hexogen, and also amino compounds of nitrated aromatics, for example of trinitrobenzene, such as mono-, di- or triaminotrinitrobenzene or aminohexanitrodiphenyl, furthermore the acylation products of these compounds, for example hexanitrooxanilide or hexanitrodiphenylurea.
  • these secondary explosives include hexanitrostilbene, hexanitrodiphenyloxide, hexanitrodiphenylsulfide, hexanitrodiphenylsulfone and hexanitrodiphenylamine, as well as tetranitrocarbazole, tetranitroacridone or polyvinyl nitrate, and nitrotriazolone and its compounds.
  • the proportion of these substances in the initial charge can be 0 to 30 wt .-% based on the total mixture.
  • Suitable inert substances in the igniter compositions according to the invention are substances which are known per se and are often also used to coordinate the properties of these fractions with the particular intended use. Particular mention may be made here of binders, adhesives, dyes, passivators which are preferably present in an amount of from 0 to 20% by weight, may be included based on the total mixture. Examples include calcium carbonate, titanium dioxide and / or white boron nitride.
  • the preparation of the novel ignition charges is carried out according to methods known per se by sieving the dry or kneading the water-moist mixture.
  • the dosage of the water-moist mass can be done by brushing the perforated plates or by extrusion.
  • Table 1 shows, on the one hand, the classic SINOXID igniter mixture (comparative example) and the potassium dinitrobenzofuroxanate-enriched mixture 1.
  • Comparative example example 1 Lead trinitroresorcinat 38% 30% potassium dinitrobenzofuroxanate 0% 15% tetracene 3% 4% barium 38% 35% dioxide 5% 6% calcium silicide 11% 5% titanium 5% 5%
  • anvil priming caps were produced with a loading mass of about 38 mg each.
  • the schematic structure of such an anvil priming cap is in FIG. 1 and will be explained in more detail below.
  • the anvil priming cap (1) contains the primer (igniting mixture) (2) in a cup-shaped outer shell (3) of copper or a copper alloy.
  • the opening of the cup-shaped outer shell (3) is closed with an anvil plate (4), wherein the conical, hollow curvature of the anvil plate (4) in the direction of the ignition charge (2) shows.
  • a separating layer (5) is arranged between the ignition charge (2) and the anvil plate (4) .
  • the anvil priming capsules were identically labarded in caliber 338 cartridges (see Table 2), conditioned at -54 ° C. for 4 hours and examined in a standard test setup for maximum pressure and bullet velocity. Surprisingly, a significantly lower ignition delay (t2) of the anvil priming capsule with example mixture 1 was observed at temperatures of -54 ° C., as shown in Table 2.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Air Bags (AREA)
EP09752331.0A 2008-11-07 2009-11-05 Anzündsätze mit verbesserter anzündleistung Active EP2352710B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09752331T PL2352710T3 (pl) 2008-11-07 2009-11-05 Ładunki zapłonowe o zwiększonej wydajności zapłonu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008056437 2008-11-07
PCT/EP2009/064677 WO2010052269A1 (de) 2008-11-07 2009-11-05 Anzündsätze mit verbesserter anzündleistung

Publications (2)

Publication Number Publication Date
EP2352710A1 EP2352710A1 (de) 2011-08-10
EP2352710B1 true EP2352710B1 (de) 2018-02-28

Family

ID=41531818

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09752331.0A Active EP2352710B1 (de) 2008-11-07 2009-11-05 Anzündsätze mit verbesserter anzündleistung

Country Status (8)

Country Link
US (1) US10118871B2 (pt)
EP (1) EP2352710B1 (pt)
BR (1) BRPI0921212B1 (pt)
CA (1) CA2743063C (pt)
DE (1) DE102009052120A1 (pt)
ES (1) ES2671032T3 (pt)
PL (1) PL2352710T3 (pt)
WO (1) WO2010052269A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102875268A (zh) * 2012-10-15 2013-01-16 福建省民爆化工股份有限公司 一种苦味酸钾—铅丹硅系电引火药的制造方法
US11920910B2 (en) * 2014-02-26 2024-03-05 Northrop Grumman Systems Corporation Compositions usable as flare compositions, countermeasure devices containing the flare compositions, and related methods
KR20170134319A (ko) * 2014-12-23 2017-12-06 제너럴 다이나믹스 오드넌스 앤드 택티컬 시스템즈 - 캐나다 인코포레이션 텅스텐 산화물 및 금속 텅스테이트 프라이머 조성물

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1090557B (de) * 1959-07-24 1960-10-06 Dynamit Nobel Ag Zuendsaetze fuer Perkussions- und Friktionszuender beliebiger Art
US4675059A (en) 1986-02-27 1987-06-23 Olin Corporation Non-toxic, non-corrosive priming mix
US5549769A (en) * 1989-03-20 1996-08-27 Breed Automotive Technology, Inc. High temperature stable, low imput energy primer/detonator
DE19540278A1 (de) * 1995-10-28 1997-04-30 Dynamit Nobel Ag Blei- und Barium-freie Anzündsätze
US20010001970A1 (en) * 1995-10-28 2001-05-31 Rainer Hagel Lead- and barium-free propellant charges
DE19616627A1 (de) 1996-04-26 1997-11-06 Dynamit Nobel Ag Anzündmischungen
RU2110505C1 (ru) * 1997-03-18 1998-05-10 Акционерное общество закрытого типа "Би-Вест Импорт - Русское отделение" Пиротехнический ударный состав для капсюлей-воспламенителей центрального боя к патронам стрелкового оружия
DE59914443D1 (de) * 1998-03-20 2007-09-20 Delphi Tech Inc Durch elektrische auslösung anzündbare initialexplosivstoffe und anzündsätze
CZ288858B6 (cs) * 1999-09-17 2001-09-12 Sellier & Bellot, A. S. Netoxická a nekorozivní zážehová slož
US6878221B1 (en) * 2003-01-30 2005-04-12 Olin Corporation Lead-free nontoxic explosive mix
US20050098248A1 (en) * 2003-06-26 2005-05-12 Vladimir Nikolaevich Khovonskov Ammunition primer composition for small arms
US8784583B2 (en) * 2004-01-23 2014-07-22 Ra Brands, L.L.C. Priming mixtures for small arms
DE102006060146A1 (de) * 2005-12-20 2007-06-21 Ruag Ammotec Gmbh Anzündsatz

Also Published As

Publication number Publication date
BRPI0921212B1 (pt) 2019-10-15
PL2352710T3 (pl) 2018-10-31
CA2743063C (en) 2018-01-16
WO2010052269A1 (de) 2010-05-14
US10118871B2 (en) 2018-11-06
DE102009052120A1 (de) 2010-06-02
BRPI0921212A2 (pt) 2016-02-23
EP2352710A1 (de) 2011-08-10
US20110259484A1 (en) 2011-10-27
ES2671032T3 (es) 2018-06-04
CA2743063A1 (en) 2010-05-14

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